Index: user/pho/stress2/misc/datagram.sh
===================================================================
--- user/pho/stress2/misc/datagram.sh	(nonexistent)
+++ user/pho/stress2/misc/datagram.sh	(revision 334473)
@@ -0,0 +1,97 @@
+#!/bin/sh
+
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2018 Dell EMC Isilon
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+# UNIX datagram socket test.
+
+# "panic: mutex unp not owned at ../../../kern/uipc_usrreq.c:879" seen:
+# https://people.freebsd.org/~pho/stress/log/datagram.txt
+
+. ../default.cfg
+
+cd /tmp
+cat > datagram.c <<EOF
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/wait.h>
+
+#include <netinet/in.h>
+
+#include <err.h>
+#include <errno.h>
+#include <netdb.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+char *filename = "/tmp/datagram.socket";
+
+int
+main(void) {
+
+	struct sockaddr_un addr;
+	int bytes, sockfd;
+	char buf[1024];
+
+	unlink(filename);
+	memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	strncpy(addr.sun_path, filename, 104);
+
+	if ((sockfd = socket(AF_UNIX, SOCK_DGRAM, 0)) == -1)
+		err(1, "socket");
+
+	if (bind(sockfd, (struct sockaddr *) &addr,
+	    sizeof(addr)) == -1)
+		err(1, "bind");
+
+	if (connect(sockfd, (struct sockaddr *) &addr,
+	    sizeof(addr)) == -1)
+		err(1, "connect");
+
+	bytes = read(sockfd, buf, sizeof(buf));
+
+	return (0);
+}
+EOF
+
+mycc -o datagram -Wall -Wextra -O2 -g datagram.c || exit 1
+rm datagram.c
+
+./datagram &
+sleep 1
+kill $!
+wait
+
+rm -f datagram /tmp/datagram.socket
+exit 0

Property changes on: user/pho/stress2/misc/datagram.sh
___________________________________________________________________
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: user/pho/stress2/misc/datagram2.sh
===================================================================
--- user/pho/stress2/misc/datagram2.sh	(nonexistent)
+++ user/pho/stress2/misc/datagram2.sh	(revision 334473)
@@ -0,0 +1,105 @@
+#!/bin/sh
+
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2018 Dell EMC Isilon
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+# UNIX datagram socket test.
+
+# "panic: mutex unp not owned at ../../../kern/uipc_usrreq.c:879" seen.
+
+. ../default.cfg
+
+cd /tmp
+cat > datagram2.c <<EOF
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/wait.h>
+
+#include <netinet/in.h>
+
+#include <err.h>
+#include <errno.h>
+#include <netdb.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+char *filename = "/tmp/datagram2.socket";
+
+int
+main(void) {
+
+	struct message { struct cmsghdr msg_hdr; int fd; } m;
+	struct msghdr mh;
+	struct sockaddr_un addr;
+	ssize_t len;
+	int sockfd;
+
+	unlink(filename);
+	memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	strncpy(addr.sun_path, filename, 104);
+
+	if ((sockfd = socket(AF_UNIX, SOCK_DGRAM, 0)) == -1)
+		err(1, "socket");
+
+	if (bind(sockfd, (struct sockaddr *) &addr,
+	    sizeof(addr)) == -1)
+		err(1, "bind");
+
+	if (connect(sockfd, (struct sockaddr *) &addr,
+	    sizeof(addr)) == -1)
+		err(1, "connect");
+
+	bzero(&mh, sizeof(mh));
+	bzero(&m, sizeof(m));
+	mh.msg_control = &m;
+	mh.msg_controllen = sizeof(m);
+	m.msg_hdr.cmsg_len = sizeof(m);
+	m.msg_hdr.cmsg_level = SOL_SOCKET;
+	m.msg_hdr.cmsg_type = SCM_RIGHTS;
+	m.fd = sockfd;
+	len = sendmsg(sockfd, &mh, 0);
+	if (len < 0)
+		err(1, "sendmsg");
+
+	return (0);
+}
+EOF
+
+cc -o datagram2 -Wall -Wextra -O2 -g datagram2.c || exit 1
+rm -f datagram2.c datagram2.socket
+
+./datagram2
+
+rm datagram2 datagram2.socket
+exit 0

Property changes on: user/pho/stress2/misc/datagram2.sh
___________________________________________________________________
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: user/pho/stress2/misc/datagram3.sh
===================================================================
--- user/pho/stress2/misc/datagram3.sh	(nonexistent)
+++ user/pho/stress2/misc/datagram3.sh	(revision 334473)
@@ -0,0 +1,107 @@
+#!/bin/sh
+
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2018 Dell EMC Isilon
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+# UNIX datagram socket test.
+
+# "panic: mutex unp not owned at ../../../kern/uipc_usrreq.c:879" seen.
+
+. ../default.cfg
+
+cd /tmp
+cat > datagram3.c <<EOF
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/wait.h>
+
+#include <netinet/in.h>
+
+#include <err.h>
+#include <errno.h>
+#include <netdb.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+char *filename = "/tmp/datagram3.socket";
+
+int
+main(void) {
+
+	struct message { struct cmsghdr msg_hdr; int fd; } m;
+	struct msghdr mh;
+	struct sockaddr_un addr;
+	ssize_t len;
+	int i, sockfd;
+
+	unlink(filename);
+	memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	strncpy(addr.sun_path, filename, 104);
+
+	if ((sockfd = socket(AF_UNIX, SOCK_DGRAM, 0)) == -1)
+		err(1, "socket");
+
+	if (bind(sockfd, (struct sockaddr *) &addr,
+	    sizeof(addr)) == -1)
+		err(1, "bind");
+
+	if (connect(sockfd, (struct sockaddr *) &addr,
+	    sizeof(addr)) == -1)
+		err(1, "connect");
+
+	for (i = 0; i < 32; i++) {
+		bzero(&mh, sizeof(mh));
+		bzero(&m, sizeof(m));
+		mh.msg_control = &m;
+		mh.msg_controllen = sizeof(m);
+		m.msg_hdr.cmsg_len = sizeof(m);
+		m.msg_hdr.cmsg_level = SOL_SOCKET;
+		m.msg_hdr.cmsg_type = SCM_RIGHTS;
+		m.fd = sockfd;
+		len = sendmsg(sockfd, &mh, 0);
+		if (len < 0)
+			err(1, "sendmsg");
+	}
+
+	return (0);
+}
+EOF
+
+mycc -o datagram3 -Wall -Wextra -O2 -g datagram3.c || exit 1
+rm -f datagram3.c datagram3.socket
+
+./datagram3
+
+rm datagram3 datagram3.socket
+exit 0

Property changes on: user/pho/stress2/misc/datagram3.sh
___________________________________________________________________
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property
Index: user/pho/stress2/misc/unix_socket.sh
===================================================================
--- user/pho/stress2/misc/unix_socket.sh	(nonexistent)
+++ user/pho/stress2/misc/unix_socket.sh	(revision 334473)
@@ -0,0 +1,162 @@
+#!/bin/sh
+
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2018 Dell EMC Isilon
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+#
+# $FreeBSD$
+#
+
+# "panic: mutex unp not owned at ../../../kern/uipc_usrreq.c:879" seen:
+# https://people.freebsd.org/~pho/stress/log/mmacy018.txt
+
+. ../default.cfg
+
+cd /tmp
+cat > unix_socket.c <<EOF
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/un.h>
+#include <sys/wait.h>
+
+#include <netinet/in.h>
+
+#include <err.h>
+#include <errno.h>
+#include <netdb.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#define SOCK_FILE "/tmp/unix_socket.socket"
+
+static int
+client(void) {
+	struct sockaddr_un addr;
+	int fd, len;
+	char buff[8192];
+
+	if ((fd = socket(PF_UNIX, SOCK_DGRAM, 0)) < 0)
+		err(1, "socket");
+
+	memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	strcpy(addr.sun_path, SOCK_FILE);
+	unlink(SOCK_FILE);
+	if (bind(fd, (struct sockaddr *)&addr, sizeof(addr)) < 0)
+		err(1, "bind");
+
+	memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	strcpy(addr.sun_path, SOCK_FILE);
+	if (connect(fd, (struct sockaddr *)&addr, sizeof(addr)) == -1)
+		err(1, "connect");
+
+	strcpy (buff, "1234567890");
+	if (send(fd, buff, strlen(buff)+1, 0) == -1)
+		err(1, "send");
+	printf ("sent i1234567890\n");
+
+	if ((len = recv(fd, buff, 8192, 0)) < 0)
+		err(1, "recv");
+		printf ("receive %d %s\n", len, buff);
+
+	if (fd >= 0) {
+		close(fd);
+	}
+	unlink (SOCK_FILE);
+
+	return(0);
+}
+
+static int
+server() {
+	struct sockaddr_un addr;
+	struct sockaddr_un from;
+	socklen_t fromlen = sizeof(from);
+	int fd, len, ret;
+	char buff[8192];
+
+	unlink(SOCK_FILE);
+	if ((fd = socket(PF_UNIX, SOCK_DGRAM, 0)) < 0)
+		err(1, "socket");
+
+	memset(&addr, 0, sizeof(addr));
+	addr.sun_family = AF_UNIX;
+	strcpy(addr.sun_path, SOCK_FILE);
+	unlink(SOCK_FILE);
+	if (bind(fd, (struct sockaddr *)&addr, sizeof(addr)) < 0)
+		err(1, "bind");
+
+	alarm(2);
+	while ((len = recvfrom(fd, buff, 8192, 0, (struct sockaddr *)&from,
+	    &fromlen)) > 0) {
+		printf ("recvfrom: %s\n", buff);
+		strcpy (buff, "transmit good!");
+		ret = sendto(fd, buff, strlen(buff)+1, 0,
+		    (struct sockaddr *)&from, fromlen);
+		if (ret < 0) {
+			perror("sendto");
+			break;
+		}
+	}
+
+	if (fd != -1)
+		close(fd);
+
+	return (0);
+}
+
+int
+main(void)
+{
+	pid_t pid;
+
+	if ((pid = fork()) == -1)
+		err(1, "fork");
+
+	if (pid == 0) {
+		server();
+		_exit(0);
+	}
+	sleep(2);
+	client();
+
+	if (waitpid(pid, NULL, 0) != pid)
+		err(1, "waitpid");
+
+	return (0);
+}
+EOF
+
+cc -o unix_socket -Wall -Wextra -O2 -g unix_socket.c || exit
+rm unix_socket.c
+
+./unix_socket > /dev/null
+
+rm unix_socket
+exit 0

Property changes on: user/pho/stress2/misc/unix_socket.sh
___________________________________________________________________
Added: svn:executable
## -0,0 +1 ##
+*
\ No newline at end of property